2238-2097 2238-2097 S2238-20972017000300907 10.5965/01045962v26n632017907 Brazil Brazil Brazil 00 09 2017 00 09 2017 26 63 907 926

10 1-12 1-12 10 1-9 111 111 1 1 1 109-31 1 1 2 2 2 106-27